Tire tread



FIG. 1 is a perspective view of a tire tread, it being understood that the pattern repeats uniformly throughout the circumference of the tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof the opposite side elevational view being identical thereto; and,

FIG. 4 is an enlarged fragmentary front view thereof.

The broken line showing of the tire sidewall in the drawings is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tire tread, as shown and decribed. 